<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>大可爱</title>
</head>

<body>
    <form action="">
        用户名：<input type="text" name="username" id="user"><br>
        密码：<input type="password" name="password" ><br>
        性别：<input type="radio" name="sex">男 
             <input type="radio" name="sex">女
             <br>
        爱好：<input type="checkbox" name="hobby">篮球
              <input type="checkbox" name="hobby">足球
              <input type="checkbox" name="hobby">羽毛球
        <br>
        省份：<select name="province" id="pro"><br>
            <option value="sc">四川</option>
            <option value="fj">福建</option>
            <option value="cq">重庆</option>
            <option value="sh">上海</option>
        </select>
            <br>
            <input type="datetime-local" name="datetime" id="time">
            <input type="button" value="点击" onclick="btn()">
    </form>



    <script src="./base1.js"></script>
</body>

</html>